<template>
  <div class="container">
    <!-- <h2 :class="['类名1', '类名2']">组件的样式问题</h2> -->
    <!-- <h2 :class="['abc', flag ? 'thin' : '']">组件的样式问题</h2> -->

    <!-- <h2 :class="{ 类名1: 布尔值, 类名2: 布尔值 }">组件的样式问题</h2> -->
    <h2 :class="{ abc: true, thin: flag }">组件的样式问题</h2>

    <button @click="flag = !flag">切换类名</button>
    <!-- <p :style="{ 样式名称: 值, 样式名称: 值 }">这是App中的p标签</p> -->
    <p :style="{ padding: '20px', fontSize: '20px' }">这是App中的p标签</p>
    <my-left></my-left>
  </div>
</template>

<script>
import MyLeft from '@/components/MyLeft.vue'
export default {
  data () {
    return {
      flag: true
    }
  },
  components: { MyLeft }
}
</script>

<style lang="less" scoped>
.abc {
  color: red;
}
.thin {
  font-weight: 200;
}

.container {
  background-color: aliceblue;
  h2 {
    font-size: 24px;
  }
}

p {
  color: blue;
}

.container /deep/ .chp {
  background-color: orange;
}
</style>
